python3-all-dev 3.6.3-0ubuntu2 (ppc64el binary) in ubuntu bionic

The package currently depends on python3.6-dev, in the
future, dependencies on jython (Python for a JVM) and ironpython (Python
for Mono) may be added.
.
This package is a dependency package used as a build dependency for other
packages to avoid hardcoded dependencies on specific Python 3 development
packages.